<% if Operation.count != 0 %>
	<table>
		<th> operation </th>
		<th> video </th>
		<% for op in Operation.find(:all) %>
			<tr>
				<td> <%= op.operation %> </td>
				<td> <%= op.video.path %> </td>
			</tr>
		<% end %>
	</table>
	<%= link_to_remote 'start', :url => { :action => 'start_operations' } %>
	<%= link_to_remote 'clear', :url => { :action => 'clear_operations' } %>
<% end %>
